Penn JilletteAge: 57Occupation: Comedian, Magician and IllusionistKnown For: His work with fellow illusionist Teller in the duo known as Penn & Teller, his advocacy of atheism, free-market economics and scientific skepticism, appearing in music videos with artists including the Ramones and Katy Perry, and giving his daughter the stripper-pole-ready name of Moxie CrimeFighter